Xycom AHIP-370, Руководство пользователя

Страница: 30 / 65

AHIP-370 Manual
30
Option Description
1, 2
Heads Indicates the number of read/write heads on the hard drive. This information is auto-
matically entered if Type is set to “Auto.”
1, 2
Sectors Indicates the number of sectors per track on the hard drive. This information is auto-
matically entered if Type is set to “Auto.”
1
Maximum Capacity Indicates the maximum storage capacity of the drive.
3, 4
Multi-Sector
Transfers
Sets the number of sectors per block. Options are Auto, 2, 4, 8, or 16 sectors. “Auto”
sets the number of sectors per block to the highest number supported by the drive.
3, 4
LBA Mode Control Enables Logical Block Access. The default is disabled and should work with most
hard drives.
3
32-Bit I/O Enables 32-bit communication between CPU and IDE interface.
3, 4
Transfer Mode Selects the method for transferring the data between the hard disk and system memory.
The drive type and cable length determine available options.
3, 4
Ultra DMA Mode Enables or disables the maximum storage capacity of the drive.
1 = Visible only when type is “Auto” or “User”
2 = Editable only when Type is “User”
3 = Not visible when Type is set to “None”
4 = Not editable when Type is set to “Auto”
Cache Submenu
Xycom BIOS Setup Utility
Main
Memory Cache Item Specific Help
Memory Cache: [Enabled] If the line item you
Cache System BIOS area: [Write Protect] are viewing has
Cache Video BIOS area: [Write Protect] specific help, it will
Cache Base 0-512K [Write Back] be listed here.
Cache Base 512K-640K: [Write Back]
Cache Extended Memory
Area:
[Write Back]
Cache Extended Memory Re-
gion
CC00-CFFF [Disabled]
D000-D3FF [Disabled]
D400-D7FF
D800-DBFF
DC00-DFFF
[Disabled]
[Disabled]
[Disabled]
F1 Help
↑↓
Select Item -/+ Change Values F9 Setup Defaults
ESC Exit
←→
Select Menu Enter Select » Submenu F10 Save & Exit
Figure 3-3. Memory Cache Submenu
Enabling cache increases CPU performance by holding data most re-
cently accessed in a special high-speed static RAM area called cache.
The AHIP-370 provides two levels of cache memory; level one is 16 K